It has held two International Congresses on the European continent.
Many visits have been paid to cities in Germany, Italy, France,
Switzerland, Belgium, Austria, and Hungary, for the above purpose. In
these countries, including America, the Association has directly or
indirectly corresponded with more than six hundred persons, many of
whom are Members of Parliament, journalists, literary men, professors,
merchants, and manufacturers.
Corresponding Committees and Societies have been founded by the
Association in Germany, Hungary, Italy and France; and Societies are
affiliated in Belgium, Norway, Sweden, Denmark, and California.